21008670720
21,008,670,720 is an even composite number composed of six prime numbers multiplied together.
21008670720 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of four hundred forty-eight divisors.
Prime factorization of 21008670720:
213 × 3 × 5 × 17 × 89 × 113
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 17 × 89 × 113)See below for interesting mathematical facts about the number 21008670720 from the Numbermatics database.
Names of 21008670720
- Cardinal: 21008670720 can be written as Twenty-one billion, eight million, six hundred seventy thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 2.100867072 × 1010
Factors of 21008670720
Divisors of 21008670720
- Number of divisors d(n): 448
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 17 20 24 30 32 34 40 48 51 60 64 68 80 85 89 96 102 113 120 128 136 160 170 178 192 204 226 240 255 256 267 272 320 339 340 356 384 408 445 452 480 510 512 534 544 565 640 678 680 712 768 816 890 904 960 1020 1024 1068 1088 1130 1280 1335 1356 1360 1424 1513 1536 1632 1695 1780 1808 1920 1921 2040 2048 2136 2176 2260 2560 2670 2712 2720 2848 3026 3072 3264 3390 3560 3616 3840 3842 4080 4096 4272 4352 4520 4539 5120 5340 5424 5440 5696 5763 6052 6144 6528 6780 7120 7232 7565 7680 7684 8160 8192 8544 8704 9040 9078 9605 10057 10240 10680 10848 10880 11392 11526 12104 12288 13056 13560 14240 14464 15130 15360 15368 16320 17088 17408 18080 18156 19210 20114 20480 21360 21696 21760 22695 22784 23052 24208 24576 26112 27120 28480 28815 28928 30171 30260 30720 30736 32640 34176 34816 36160 36312 38420 40228 40960 42720 43392 43520 45390 45568 46104 48416 50285 52224 54240 56960 57630 57856 60342 60520 61440 61472 65280 68352 69632 72320 72624 76840 80456 85440 86784 87040 90780 91136 92208 96832 100570 104448 108480 113920 115260 115712 120684 121040 122880 122944 130560 136704 139264 144640 145248 150855 153680 160912 170880 170969 173568 174080 181560 182272 184416 193664 201140 208896 216960 227840 230520 231424 241368 242080 245888 261120 273408 289280 290496 301710 307360 321824 341760 341938 347136 348160 363120 364544 368832 387328 402280 417792 433920 455680 461040 462848 482736 484160 491776 512907 522240 546816 578560 580992 603420 614720 643648 683520 683876 694272 696320 726240 729088 737664 774656 804560 854845 867840 911360 922080 925696 965472 968320 983552 1025814 1044480 1093632 1157120 1161984 1206840 1229440 1287296 1367040 1367752 1388544 1452480 1475328 1549312 1609120 1709690 1735680 1822720 1844160 1930944 1936640 1967104 2051628 2088960 2187264 2314240 2323968 2413680 2458880 2564535 2574592 2734080 2735504 2777088 2904960 2950656 3098624 3218240 3419380 3471360 3645440 3688320 3861888 3873280 3934208 4103256 4628480 4647936 4827360 4917760 5129070 5149184 5468160 5471008 5809920 5901312 6197248 6436480 6838760 6942720 7376640 7723776 7746560 7868416 8206512 9295872 9654720 9835520 10258140 10298368 10936320 10942016 11619840 11802624 12394496 12872960 13677520 13885440 14753280 15447552 15493120 15736832 16413024 18591744 19309440 19671040 20516280 20596736 21884032 23239680 23605248 25745920 27355040 29506560 30895104 30986240 32826048 37183488 38618880 39342080 41032560 41193472 43768064 46479360 47210496 51491840 54710080 59013120 61790208 61972480 65652096 77237760 78684160 82065120 82386944 87536128 92958720 102983680 109420160 118026240 123580416 131304192 154475520 164130240 175072256 185917440 205967360 218840320 236052480 247160832 262608384 308951040 328260480 350144512 411934720 437680640 525216768 617902080 656520960 700289024 875361280 1050433536 1235804160 1313041920 1400578048 1750722560 2100867072 2626083840 3501445120 4201734144 5252167680 7002890240 10504335360 21008670720
- Sum of all divisors σ(n): 72614698560
- Sum of proper divisors (its aliquot sum) s(n): 51606027840
- 21008670720 is an abundant number, because the sum of its proper divisors (51606027840) is greater than itself. Its abundance is 30597357120
Bases of 21008670720
- Binary: 100111001000011011011100000000000002
- Hexadecimal: 0x4E436E000
- Base-36: 9NG0Q2O
Squares and roots of 21008670720
- 21008670720 squared (210086707202) is 441364245421385318400
- 21008670720 cubed (210086707203) is 9272476099639151800507957248000
-
The
square root of 21008670720 is 144943.6812006649 -
The
cube root of 21008670720 is 2759.3038361813
Scales and comparisons
How big is 21008670720?- 21,008,670,720 seconds is equal to 668 years, 3 days, 21 hours, 52 minutes.
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To count from 1 to 21,008,670,720 would take you about one thousand, three hundred thirty-six years!
This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)
- A cube with a volume of 21008670720 cubic inches would be around 229.9 feet tall.
Recreational maths with 21008670720
- 21008670720 backwards is 02707680012
- The number of decimal digits it has is: 11
- The sum of 21008670720's digits is 33
- More coming soon!
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The information we have on file for 21008670720 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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